<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>京东商城</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        
        .slider {
            height: 340px;
            width: 790px;
            margin: 100px auto;
            position: relative;
        }
        
        .slider li {
            position: absolute;
            display: none;
        }
        
        .slider li:first-child {
            display: block;
        }
        
        .arrow {
            display: none;
        }
        
        .slider:hover .arrow {
            display: block;
        }
        
        .arrow-left,
        .arrow-right {
            font-family: "SimSun", "宋体";
            width: 30px;
            height: 60px;
            background-color: rgba(0, 0, 0, 0.1);
            position: absolute;
            top: 50%;
            margin-top: -30px;
            cursor: pointer;
            text-align: center;
            line-height: 60px;
            color: #fff;
            font-weight: 700;
            font-size: 30px;
        }
        
        .arrow-left:hover,
        .arrow-right:hover {
            background-color: rgba(0, 0, 0, .5);
        }
        
        .arrow-left {
            left: 0;
        }
        
        .arrow-right {
            right: 0;
        }
    </style>
</head>

<body>
    <div class="slider">
        <ul>
            <li>
                <a href="#"><img src="images/1.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/2.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/3.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/4.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/5.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/6.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/7.jpg" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="images/8.jpg" alt=""></a>
            </li>
        </ul>
        <!--箭头-->
        <div class="arrow">
            <span class="arrow-left">&lt;</span>
            <span class="arrow-right">&gt;</span>
        </div>
    </div>



    <script src="../../../js/jquery-1.10.1.min.js"></script>
    <script>
        var index = 0;
        $(".arrow-left").click(function() {
            index = --index % $("li").length;
            $("li").eq(index).fadeIn().siblings().fadeOut()
        })
        $(".arrow-right").click(function() {
            index = ++index % $("li").length;
            $("li").eq(index).fadeIn().siblings().fadeOut()
        })
    </script>

</body>

</html>